So Mike would have the very expensive equal (think of his electricity bill) to about 4 campfires.

Burn wood, Mike.

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"Practicing an art, no matter how well or badly, is a way to make your soul grow, for heaven's sake. Sing in the shower. Dance to the radio. Tell stories. Write a poem to a friend, even a lousy poem. Do it as well as you possible can. You will get an enormous reward. You will have created something." - Kurt Vonnegut

I think you're confusing BTU Hours with BTUs, so at the very least you need to divide your total watt output by 60, maybe more. I'm pretty sure a campfire doesn't put out more than 1.3 megawatts of heat, but maybe it does 23kW. Can somebody check the equation and math?

I think you're confusing BTU Hours with BTUs, so at the very least you need to divide your total watt output by 60, maybe more. I'm pretty sure a campfire doesn't put out more than 1.3 megawatts of heat, but maybe it does 23kW. Can somebody check the equation and math?

Wood has anywhere from about 8000 to 9700 BTU per pound, depending on resin content. If we go for the highest BTU at 9700 x a 10 pound campfire, the total BTU output would be around 97,000, with the output spread over a time period depending on how the fire was made and tended. Lets say a fast burn, 1 hr=97,000 BTU =28KW.

You can fry stuff up on a frypan on top of a 1K parcan. You can torch stuff with a few well-aimed sharpies. A 200KW fan heater will carbonize your marshmallows in a blink of an eye. Assuming (a) the marshmallows could be persuaded to stay on the sticks, because you are talking about a significant amount of airflow here, and (b) as long as the sticks were a many feet long, otherwise your body will also be in the jetstream, and will also be toasted to a crisp.